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Vulnerability record · CVE-2026-32682 · published 17 June 2026

CVE-2026-32682: F5 nginx gateway fabric vulnerability

F5 · Nginx Gateway Fabric

When NGINX Gateway Fabric is configured using GRPCRoutes, an authenticated, remote attacker with permission to create or modify GRPCRoute resources can cause the NGINX Gateway Fabric control plane to terminate by sending undisclosed GRPCRoute configurations containing backendRef filters. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

7.1 CVSS 4.0 High EPSS 0.50% · top 59.6% CWE-129 · CWE-129
7.1CVSS 4.0 base score
0.50%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
1References
2 Jul 2026Last modified by NVD

Description

When NGINX Gateway Fabric is configured using GRPCRoutes, an authenticated, remote attacker with permission to create or modify GRPCRoute resources can cause the NGINX Gateway Fabric control plane to terminate by sending undisclosed GRPCRoute configurations containing backendRef filters. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.2CVE-2026-42533F5 nginx gateway fabric heap-based buffer overflow vulnerabilityA vulnerability exists in NGINX Plus and NGINX Open Source when a map directive uses regex matching and a string expression references the map's rege…EPSS 0.89%9.2CVE-2026-42055F5 dos heap-based buffer overflow vulnerabilityNGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_proxy_v2_module and ngx_http_grpc_module modules. This vulnerability exists whe…EPSS 2.4%9.2CVE-2026-42530F5 nginx gateway fabric use after free vulnerabilityNGINX Open Source has a vulnerability in the ngx_http_v3_module module. When NGINX Open Source is configured to use the HTTP/3 QUIC module, a remote …EPSS 1.1%9.2CVE-2026-9256F5 nginx open source heap-based buffer overflow vulnerabilityNGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_rewrite_module module. This vulnerability exists when a rewrite directive uses …EPSS 2.7%9.2CVE-2026-42945NGINX rewrite module heap buffer overflow via crafted HTTP requestsNGINX Plus and NGINX Open Source contain a heap buffer overflow in the ngx_http_rewrite_module when a rewrite directive is followed by another rewrit…EPSS 3.4%analysed8.8CVE-2026-60005F5 nginx gateway fabric use of uninitialized resource vulnerabilityNGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_slice_module module. When the slice directive and unnamed regex captures are co…EPSS 0.53%8.6CVE-2026-50107F5 nginx gateway fabric injection vulnerabilityWhen NGINX Plus or NGINX Open Source is configured as the data plane for NGINX Gateway Fabric, an injection vulnerability exists in the NGINX configu…EPSS 0.46%8.6CVE-2026-11311F5 nginx gateway fabric injection vulnerabilityWhen NGINX Plus is configured as the data plane for NGINX Gateway Fabric, an injection vulnerability exists in the NGINX configuration generator comp…EPSS 0.57%

Source: NIST National Vulnerability Database (record CVE-2026-32682), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.